Nicer try/catch for async await.

no-try-catch-async-await.js

/* Helper buddy for removing async/await try/catch litter 🗑 */
function O_o(promise) {
  return promise.then(data => {
    if (data instanceof Error) return [data]
    return [null, data]
  }).catch(err => [err])
}

/* Look ma, no try/catch */
async function usageExample(params) {
  const [ err, data ] = await O_o(myPromise(params))

  if (err) {
    // handle or throw err
    throw new Error(err)
  }
  // Do stuff with data
  return data
}

/* Normal promise */
function myPromise(params) {
  return new Promise((resolve, reject) => {
    callbacker(params, (error, data) => {
      if (error) return reject(error)
      return resolve(data)
    })
  })
}

/* Normal callback */
function callbacker(params, cb) {
  return cb(null, params)
}

// Run the thing
const params = {lol: 'true'}
usageExample(params).then((result) => {
  console.log('result', result)
}).catch((err) => {
  console.log('error', err)
})